Method and Arrangement for Forming Construction

1. A method comprising: forming plural load models, each load model corresponding to a different load of a construction, each load model corresponding to a single load; situating the load models into space where structural models representing structural members effect; defining an influence space for each load model, said influence space restricting a space in which the load corresponding to the load model affects; selecting for each load model at least one structural model corresponding to a structural member for carrying the corresponding load by using at least the influence space of the load model and locations of structural models as a criterion; storing each load model and selected structural models to be used in load decomposition calculations to obtain elementary loads for structural analysis; and using each stored load model and the selected structural models in load decomposition calculations to obtain elementary loads for structural analysis.

2. A method according to claim 1 , wherein the load division calculations comprises: connecting each elementary load to the at least one structural model selected for the corresponding load model by at least one effect point of the elementary load, where an influence of the elementary load meets the at least one structural model; and calculating that each structural model is capable of carrying the elementary loads connected to it.

3. A method according to claim 2 , wherein additional criteria is used to select structural models that are allowed to carry the load.

4. A method according to claim 3 , wherein the defining the influence space further comprises defining at least one direction for an influence of a load.

5. A method according to claim 4 , wherein the defining the influence space further comprises defining distances of the influence from an effect level of the load model.

6. A method according to claim 5 , wherein the load model represents one of a following group comprising a point load, a line load, an area load, a dynamic load, a volume load, and a moment.

7. A method according to claim 3 , wherein the additional criteria includes names of the structural models, the names being used for filtering the allowed structural models from the structural models.

8. A method according to claim 3 , wherein the additional criteria includes types of the structural models, the types being used for filtering the allowed structural models from the structural models.

9. A method according to claim 1 , wherein the criterion includes that a structural model is at least partly inside the influence space of the load model.

10. A method according to claim 9 , wherein additional criteria is used to select structural models that are allowed to carry the load.

11. A method according to claim 10 , wherein the defining the influence space further comprises defining at least one direction for an influence of a load.

12. A method according to claim 11 , wherein the defining the influence space further comprises defining distances of the influence from an effect level of the load model.

13. A method according to claim 12 , wherein the load model represents one of a following group comprising a point load, a line load, an area load, a dynamic load, a volume load, and a moment.

14. A method according to claim 10 , wherein the additional criteria includes names of the structural models, the names being used for filtering the allowed structural models from the structural models.

15. A method according to claim 10 , wherein the additional criteria includes types of the structural models, the types being used for filtering the allowed structural models from the structural models.

16. A method according to claim 9 , wherein load division calculations comprises: connecting each elementary load to the at least one structural model selected for the corresponding load model by at least one effect point of the elementary load, where an influence of the elementary load meets the at least one structural model; and calculating that each structural model is capable of carrying the elementary loads connected to it.

17. A method according to claim 16 , wherein additional criteria is used to select structural models that are allowed to carry the load.

18. A method according to claim 17 , wherein the defining the influence space further comprises defining at least one direction for an influence of a load.

19. A method according to claim 18 , wherein the defining the influence space further comprises defining distances of the influence from an effect level of the load model.

20. A method according to claim 19 , wherein the load model represents one of a following group comprising a point load, a line load, an area load, a dynamic load, a volume load, and a moment.

21. A method according to claim 17 , wherein the additional criteria includes names of the structural models, the names being used for filtering the allowed structural models from the structural models.

22. A method according to claim 17 , wherein the additional criteria includes types of the structural models, the types being used for filtering the allowed structural models from the structural models.

23. A method according to claim 1 , wherein the selecting is performed among relevant structural models deduced from the structure of the construction.

24. A computer being arranged to have access to a model of a construction, said model comprising structural models illustrating structural members of the construction, said computer comprising: a module for forming, to the model of the construction, models of loads corresponding to loads that the construction has to be able to carry; a storage element; a module for storing each model of the loads in the storage element; a module for defining an influence space for each model of a load, the influence space restricting a space in which the load corresponding to the model of the load affects; a module for selecting for each stored model of load at least one structural model from structural models locating within the influence space of the model of the load; and a module for decomposing each model of a load and selected structural models to obtain elementary loads for structural analysis.

25. A computer according to claim 24 , wherein the module for selecting is configured to use additional requirements when selecting structural models, said additional requirements defining structural models that are allowed to carry the model of the load.

26. A computer according to claim 25 , wherein the module for selecting is configured to use names of the structural models for filtering the allowed structural models from the structural models.

27. A computer according to claim 25 , wherein the module for selecting is configured to use types of structural models for filtering the allowed structural models from the structural models.

28. A computer according to claim 24 , wherein the module for defining the influence space is configured to define at least one direction for an influence of the corresponding model of the load.

29. A computer according to claim 28 , wherein the module for defining the influence space is configured to define distances of an influence of the corresponding model of the load around an effect level of the model of the load.

30. A computer according to claim 29 , wherein the model of the load represents one of the following group comprising a point load, a line load, an area load, a dynamic load, a volume load, and a moment.

31. A computer according to claim 24 , wherein the module for defining the influence space is configured to define distances of an influence of the corresponding model of the load around an effect level of the corresponding model of the load.

32. A computer according to claim 31 , wherein the model of the load represents one of the following group comprising a point load, a line load, an area load, a dynamic load, a volume load, and a moment.

33. A computer according to claim 24 , further comprising a module for connecting each elementary load to the selected at least one structural model by at least one effect point of the elementary load, where influence of the elementary load meets the at least one structural model; a module for calculating that each structural model is capable of carrying the elementary loads connected to it.

34. A computer program product embodied on a computer-readable medium and comprising code that, when executed, causes a computer to perform the following: forming models of loads which correspond to the loads of the construction, each model of a load corresponding to a single load; situating the models of loads into a space where structural models representing structural members effect; defining an influence space for each model of a load, said influence space restricting a space in which the load corresponding to the model of the load affects; selecting for each model of a load at least one structural model corresponding to a structural member for carrying the corresponding load by using at least the influence space of the model of the load and locations of structural models as a criterion; and using each model of a load and selected structural models in load decomposition calculations to obtain elementary loads for structural analysis.

35. A computer program product according to claim 34 , wherein the execution of the code further causes a computer to perform the following: connecting each elementary load to the at least one structural model selected for the corresponding model of the load by at least one effect point of the elementary load, where an influence of the elementary load meets the at least one structural model.